US5871985A - Particulate non cross-linked chitosan core matrices for encapsulated cells - Google Patents

Particulate non cross-linked chitosan core matrices for encapsulated cells Download PDF

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Publication number
US5871985A
US5871985A US08/294,149 US29414994A US5871985A US 5871985 A US5871985 A US 5871985A US 29414994 A US29414994 A US 29414994A US 5871985 A US5871985 A US 5871985A
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United States
Prior art keywords
cells
chitosan
core matrix
matrix
cross
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Expired - Lifetime
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US08/294,149
Inventor
Patrick Aebischer
Beth A. Zielinski
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Neurotech SA
Brown University Research Foundation Inc
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Brown University Research Foundation Inc
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Priority to US95224992A priority Critical
Priority to US17632394A priority
Application filed by Brown University Research Foundation Inc filed Critical Brown University Research Foundation Inc
Priority to US08/294,149 priority patent/US5871985A/en
Assigned to BROWN UNIVERSITY RESEARCH FOUNDATION reassignment BROWN UNIVERSITY RESEARCH FOUNDATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: AEBISCHER, PATRICK, ZIELINSKI, BETH A.
Application granted granted Critical
Publication of US5871985A publication Critical patent/US5871985A/en
Assigned to NEUROTECH S.A. reassignment NEUROTECH S.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CYTOTHERAPEUTICS, INC.
Assigned to NEUROTECH S.A. reassignment NEUROTECH S.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CYTOTHERAPEUTICS, INC.
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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